Zhou Q, Wang LD, Gao SS, Li YX, Zhao X, Wang LX. p53 immunostaining positive cells correlated positively with S phase cells as measured by BrdU in the esophageal precancerous lesions from the subjects at high incidence area for esophageal cancer in northern China. World J Gastroenterol 1998; 4(Suppl2): 136-136 [DOI: 10.3748/wjg.v4.iSuppl2.136]